Change entities deletedAt precision and add timezone

lib/model/frames/entity.js

@@ -27,7 +27,7 @@ class Entity extends Frame.define(
     'int4', 'int4',
     'conflictType',
     'timestamptz',
-    'timestamptz', 'timestamp',
+    'timestamptz', 'timestampz',
   ])
 ) {
   get def() { return this.aux.def; }

lib/model/migrations/20240515-01-entity-tz-precision.js

@@ -0,0 +1,18 @@
+// Copyright 2024 ODK Central Developers
+// See the NOTICE file at the top-level directory of this distribution and at
+// https://github.com/getodk/central-backend/blob/master/NOTICE.
+// This file is part of ODK Central. It is subject to the license terms in
+// the LICENSE file found in the top-level directory of this distribution and at
+// https://www.apache.org/licenses/LICENSE-2.0. No part of ODK Central,
+// including this file, may be copied, modified, propagated, or distributed
+// except according to the terms contained in the LICENSE file.
+
+const up = async (db) => {
+  await db.raw('ALTER TABLE entities ALTER COLUMN "deletedAt" TYPE timestamptz(3)');
+};
+
+const down = async (db) => {
+  await db.raw('ALTER TABLE entities ALTER COLUMN "deletedAt" TYPE timestamp(3)');
+};
+
+module.exports = { up, down };